Harvesting blue energy based on salinity and temperature gradient: challenges, solutions, and opportunities

M Rastgar, K Moradi, C Burroughs, A Hemmati… - Chemical …, 2023 - ACS Publications
Greenhouse gas emissions associated with power generation from fossil fuel combustion
account for 25% of global emissions and, thus, contribute greatly to climate change …

Nanofluidic membranes to address the challenges of salinity gradient power harvesting

X Tong, S Liu, J Crittenden, Y Chen - ACS nano, 2021 - ACS Publications
Salinity gradient power (SGP) has been identified as a promising renewable energy source.
Reverse electrodialysis (RED) and pressure retarded osmosis (PRO) are two membrane …

Nanopore-based power generation from salinity gradient: why it is not viable

L Wang, Z Wang, SK Patel, S Lin, M Elimelech - ACS nano, 2021 - ACS Publications
In recent years, the development of nanopore-based membranes has revitalized the
prospect of harvesting salinity gradient (blue) energy. In this study, we systematically …

Salinity gradients for sustainable energy: primer, progress, and prospects

NY Yip, D Brogioli, HVM Hamelers… - … science & technology, 2016 - ACS Publications
Combining two solutions of different composition releases the Gibbs free energy of mixing.
By using engineered processes to control the mixing, chemical energy stored in salinity …

Pressure-retarded osmosis for power generation from salinity gradients: is it viable?

AP Straub, A Deshmukh, M Elimelech - Energy & Environmental …, 2016 - pubs.rsc.org
The enormous potential of harvesting energy from salinity gradients has been discussed for
decades, and pressure-retarded osmosis (PRO) is being increasingly investigated as a …

Thin film composite membrane—Recent development and future potential

AF Ismail, M Padaki, N Hilal, T Matsuura, WJ Lau - Desalination, 2015 - Elsevier
This paper provides a review on the recent development of thin film composite (TFC)
membrane, which has received increasing attention in the field of water desalination …

Minimal and zero liquid discharge with reverse osmosis using low-salt-rejection membranes

Z Wang, A Deshmukh, Y Du, M Elimelech - Water research, 2020 - Elsevier
Minimal and zero liquid discharge (MLD/ZLD) are wastewater management strategies that
are attracting heightened attention worldwide. While conventional reverse osmosis (RO) has …

Salinity gradient energy generation by pressure retarded osmosis: A review

RR Gonzales, A Abdel-Wahab, S Adham, DS Han… - Desalination, 2021 - Elsevier
Pressure retarded osmosis (PRO) has gained attention due to its use as a salinity gradient
energy-generating membrane process. This process can convert difference in salinity …

Thermodynamic limits of extractable energy by pressure retarded osmosis

S Lin, AP Straub, M Elimelech - Energy & Environmental Science, 2014 - pubs.rsc.org
Salinity gradient energy, which is released upon mixing two solutions of different
concentrations, is considered to be a promising source of sustainable power. Of the methods …

Raising the bar: increased hydraulic pressure allows unprecedented high power densities in pressure-retarded osmosis

AP Straub, NY Yip, M Elimelech - Environmental Science & …, 2014 - ACS Publications
Pressure-retarded osmosis (PRO) has the potential to generate sustainable energy from
salinity gradients. PRO is typically considered for operation with river water and seawater …